Home / 8,948.70-12,348.72-5,590.44

Finding the Fourth Proportional to 8,948.70, 12,348.72 and 5,590.44

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Solution

The fourth proportional to 8,948.70, 12,348.72 and 5,590.44 is: 7,714.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.70 : 12,348.72 = 5,590.44 : x
  2. Step 2: Convert to fraction form
    8,948.70/12,348.72 = 5,590.44/x
  3. Step 3: Cross multiply
    8,948.70x = 12,348.72 × 5,590.44
  4. Step 4: Simplify right side
    8,948.70x = 69,034,778.24
  5. Step 5: Solve for x
    x = 69,034,778.24/8,948.70
  6. Step 6: Final answer
    x = 7,714.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.